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Sicherheit: Fehlerhafte Zugriffsrechte in IPMItool
Aktuelle Meldungen Distributionen
Name: Fehlerhafte Zugriffsrechte in IPMItool
ID: RHSA-2011:1814-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Mi, 14. Dezember 2011, 08:00
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4339
Applikationen: IPMItool

Originalnachricht

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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: ipmitool security update
Advisory ID: RHSA-2011:1814-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-1814.html
Issue date: 2011-12-13
CVE Names: CVE-2011-4339
=====================================================================

1. Summary:

An updated ipmitool package that fixes one security issue is now available
for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having moderate
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

3. Description:

The ipmitool package contains a command line utility for interfacing with
devices that support the Intelligent Platform Management Interface (IPMI)
specification. IPMI is an open standard for machine health, inventory, and
remote power control.

It was discovered that the IPMI event daemon (ipmievd) created its process
ID (PID) file with world-writable permissions. A local user could use this
flaw to make the ipmievd init script kill an arbitrary process when the
ipmievd daemon is stopped or restarted. (CVE-2011-4339)

All users of ipmitool are advised to upgrade to this updated package, which
contains a backported patch to correct this issue. After installing this
update, the IPMI event daemon (ipmievd) will be restarted automatically.

4. Solution:

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

742837 - CVE-2011-4339 OpenIPMI: IPMI event daemon creates PID file with world
writeable permissions

6. Package List:

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:
ipmitool-1.8.11-12.el6_2.1.src.rpm

i386:
ipmitool-1.8.11-12.el6_2.1.i686.rpm
ipmitool-debuginfo-1.8.11-12.el6_2.1.i686.rpm

x86_64:
ipmitool-1.8.11-12.el6_2.1.x86_64.rpm
ipmitool-debuginfo-1.8.11-12.el6_2.1.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
ipmitool-1.8.11-12.el6_2.1.src.rpm

x86_64:
ipmitool-1.8.11-12.el6_2.1.x86_64.rpm
ipmitool-debuginfo-1.8.11-12.el6_2.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ipmitool-1.8.11-12.el6_2.1.src.rpm

i386:
ipmitool-1.8.11-12.el6_2.1.i686.rpm
ipmitool-debuginfo-1.8.11-12.el6_2.1.i686.rpm

ppc64:
ipmitool-1.8.11-12.el6_2.1.ppc64.rpm
ipmitool-debuginfo-1.8.11-12.el6_2.1.ppc64.rpm

s390x:
ipmitool-1.8.11-12.el6_2.1.s390x.rpm
ipmitool-debuginfo-1.8.11-12.el6_2.1.s390x.rpm

x86_64:
ipmitool-1.8.11-12.el6_2.1.x86_64.rpm
ipmitool-debuginfo-1.8.11-12.el6_2.1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ipmitool-1.8.11-12.el6_2.1.src.rpm

i386:
ipmitool-1.8.11-12.el6_2.1.i686.rpm
ipmitool-debuginfo-1.8.11-12.el6_2.1.i686.rpm

x86_64:
ipmitool-1.8.11-12.el6_2.1.x86_64.rpm
ipmitool-debuginfo-1.8.11-12.el6_2.1.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2011-4339.html
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2011 Red Hat, Inc.
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